INFINITI QX56 2007 Factory Service Manual

BL-130
< SERVICE INFORMATION >
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
OK or NG
OK >> GO TO 5.
NG >> Repair or replace fuse or harness. Ref. part No. E3
5.CHECK NATS ANTENNA AMP. SIGNAL LINE- 1
Check voltage between NATS antenna amp. connector M21 terminal
2 and ground with analog tester.
OK or NG
OK >> GO TO 6.
NG >> • Repair or replace harness.
NOTE:
If harness is OK, replace BCM, perform initialization with CONSULT-II. For initialization, refer to
“CONSULT-II Operation Manual NATS-IVIS/NVIS”.
6.CHECK NATS ANTENNA AMP. SIGNAL LINE- 2
Check voltage between NATS antenna amp. connector M21 terminal
4 and ground with analog tester.1 - Ground :Battery voltage
LIIA1498E
LIIA1642E
Connector terminals
(wire colors)
Position of ignition key cylinderVoltage (V)
(Approx.)
( + ) ( - )
2GroundBefore inserting ignition key Battery voltage
After inserting ignition keyPointer of tester should move for approx. 30 seconds,
then return to battery voltage
Just after turning ignition switch
ONPointer of tester should move for approx. 1 second, then
return to battery voltage
LIIA1643E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
BL-131
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OK or NG
OK >> GO TO 7.
NG >> • Repair or replace harness.
NOTE:
If harness is OK, replace BCM, perform initialization with CONSULT-II. For initialization, refer to
“CONSULT-II Operation Manual NATS-IVIS/NVIS”.
7.CHECK NATS ANTENNA AMP. GROUND LINE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NATS antenna amp. connector.
3. Check continuity between NATS antenna amp. connector M21 terminal 3 and ground.
OK or NG
OK >> NATS antenna amp. is malfunctioning. Ref. part No. E6
NG >> • Repair or replace harness.
NOTE:
If harness is OK, replace BCM, perform initialization
with CONSULT-II. For initialization, refer to “CON-
SULT-II Operation Manual NATS-IVIS/NVIS”.
Diagnosis Procedure 6INFOID:0000000003533000
“SECURITY INDICATOR LAMP DOES NOT LIGHT UP”
1.CHECK FUSE
Check 10A fuse [No.19, located in the fuse block (J/B)]
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK SECURITY INDICATOR LAMP
1. Start engine and turn ignition switch OFF.
2. Check the security indicator lamp lights up.
OK or NG
OK >> Inspection End.
NG >> GO TO 3.
3.CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT
1. Disconnect security indicator lamp.
Connector terminals
(wire colors)
Position of ignition key cylinderVoltage (V)
(Approx.)
( + ) ( - )
4GroundBefore inserting ignition key Battery voltage
After inserting ignition keyPointer of tester should move for approx. 30 seconds,
then return to battery voltage
Just after turning ignition switch
ONPointer of tester should move for approx. 1 second, then
return to battery voltage
3 - Ground :Continuity should exist.
LIIA1283E
Security indicator lamp should light up.

BL-132
< SERVICE INFORMATION >
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
2. Check voltage between security indicator lamp connector M24
terminal 8 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK BCM (NATS CONTROL UNIT) FUNCTION
1. Connect security indicator lamp.
2. Disconnect BCM.
3. Check voltage between BCM connector M18 terminal 23 and
ground.
OK or NG
OK >> BCM is malfunctioning.
• Replace BCM. Ref. part No. A
• Perform initialization with CONSULT-II.
• For initialization, refer to “CONSULT-II Operation Man-
ual NATS-IVIS/NVIS”.
NG >> Check the following:
• Harness for open or short between security indicator lamp and BCM (NATS control unit).
• Indicator lamp condition
How to Replace NATS Antenna AmpINFOID:0000000003533001
NOTE:
•If NATS antenna amp. is not installed correctly, IVIS (NATS)
system will not operate properly and SELF-DIAG RESULTS on
CONSULT-II screen will show “LOCK MODE” or “CHAIN OF
IMMU-KEY”.
•Initialization is not necessary when only NATS antenna amp.
is replaced with a new one.8 - Ground :Battery voltage
LIIA1072E
23 - Ground :Battery voltage
LIIA0523E
SIIA1683E

HOMELINK UNIVERSAL TRANSCEIVER
BL-133
< SERVICE INFORMATION >
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HOMELINK UNIVERSAL TRANSCEIVER
Wiring Diagram - TRNSCV -INFOID:0000000003533002
Trouble DiagnosisINFOID:0000000003533003
DIAGNOSTIC PROCEDURE
SYMPTOM: Transmitter does not activate receiver.
WIWA0759E

BL-134
< SERVICE INFORMATION >
HOMELINK UNIVERSAL TRANSCEIVER
Before conducting the procedure given below, make sure that system receiver (garage door opener, etc.)
operates with original, hand-held transmitter. If NG, receiver or hand-held transmitter is malfunctioning, not
vehicle related.
1.ILLUMINATE CHECK
• Turn ignition switch OFF.
• Does amber light (LED) of transmitter illuminate when any button
is pressed?
YES or NO
YES >> GO TO 2.
NO >> GO TO 3.
2.TRANSMITTER CHECK
Check transmitter with Tool.*
*For details, refer to Technical Service Bulletin.
OK or NG
OK >> Receiver or hand-held transmitter malfunction, not vehicle related.
NG >> Replace transmitter.
3.POWER SUPPLY CHECK
1. Disconnect transmitter.
2. Check voltage between Homelink® universal transceiver connector R106 terminal 1 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace fuse or harness.
4.GROUND CIRCUIT CHECK
Check continuity between Homelink® universal transceiver connector R106 terminal 2 and body ground.
OK or NG
OK >> Replace compass and thermometer assembly.
NG >> Repair or replace harness.
LIIA1466E
1 - Ground : Battery voltage
LIIA1467E
2 - Ground : Continuity should exist.
LIIA2039E

CAB AND REAR BODY
BL-135
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CAB AND REAR BODY
Body MountingINFOID:0000000003533004
When removing, be sure to replace bolts and nuts (sealant applied bolts or self-lock nuts are used for all
mounting).
LIIA1564E

BL-136
< SERVICE INFORMATION >
BODY REPAIR
BODY REPAIR
Body Exterior Paint ColorINFOID:0000000003533005
M: Metallic; 2S: 2-Coat Solid, 2P: 2-Coat Pearl; 3P: 3-Coat Pearl; t: New Cross Linking Clear Coat
LIIA1437E
ComponentColor code BW9 G10 K11 K12 Q11
DescriptionPacific
Sapphire Liquid
OnyxSilver
GraphiteSilver
IndulgenceTuscan
Pearl
Typ e M M M M S
Clear coat t t t t t
1Outside
mirrorBodyChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P
Base Black KH3 KH3 KH3 KH3 KH3
2 Radiator grilleCenter and em-
blemChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P
3 Bumpers Fascias Body color BW9 G10 K11 K12 Q11
4 Valance Black KH3 KH3 KH3 KH3 KH3
5 Running BoardsBody Body color BW9 G10 K11 K12 Q11
Step pad Black KH3 KH3 KH3 KH3 KH3
6 Outside handlesChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P
7Side Guard
MoldingBase Body color BW9 G10 K11 BK12 BQ10
To p T r i mChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P
8License plate
finisherBase Body color BW9 G10 K11 K12 Q11
Top and bottom
trimChromium
plateCr2P Cr2P Cr2P Cr2P Cr2P
9 Cowl top cover Body color BW9 G10 K11 K12 Q11
10 Rear spoiler Body color BW9 G10 K11 K12 Q11

BODY REPAIR
BL-137
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Body Component PartsINFOID:0000000003533006
UNDERBODY COMPONENT PARTS
1. Hoodledge assembly (RH, LH)
2. Hoodledge reinforcement (RH, LH)
3. Body mounting bracket (RH, LH)
4. Hoodledge front brace (RH), Battery mounting bracket (LH)
LIIA0908E

BL-138
< SERVICE INFORMATION >
BODY REPAIR
5. Harness connector bracket
6. Rear floor reinforcement
7. Rear floor
8. Rear floor reinforcement
9. Rear floor side (RH, LH)
10. Crossmember
11. Second seat rear crossmember
12. Second seat front crossmember
13. Rear front seat crossmember
14. Second Body crossmember
15. Front floor
16. Front seat front crossmember
17. Front floor reinforcement
18. Outer sill (RH, LH)
19. Second crossmember extension
20. Rear crossmember end
21. Rear lower crossmember end
22. Rear crossmember end (RH, LH)
23. Rear side member rear reinforcement (RH, LH)
24. Rear side member (RH, LH)
25. Rear side member reinforcement (RH, LH)
26. Inner sill extension (RH, LH)
27. Rear crossmember
28. Upper dash top
29. Upper dash bottom
30. Cowl top
31. Lower dash
32. Lower dash insulator (RH)
33. Lower dash reinforcement
34. Side dash (RH, LH)
35. Lower dash insulator

BODY REPAIR
BL-139
< SERVICE INFORMATION >
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BODY COMPONENT PARTS
1. Front fender (RH, LH)
2. Hood assembly
3. Rear hoodledge reinforcement (RH, LH)
4. Outer sill reinforcement (RH, LH)
LIIA1438E